These movies are easily obtainable for the most part. Haven't you seen any of these?

There's also--

DIE SCREAMING MARIANNE (1971)TINTORERA (1977; she gets naked and even has threesomes with Hugo Stiglitz and I forget the other guy. Awful movie)ENTER THE NINJA (1980; awful, awful, awful movie starring Franco Nero, Christopher George and Sho Kosugi)VENOM (1981; with Kinski and Ollie Reed)THE HOUSE WHERE EVIL DWELLS (1982; she gets naked with both Edward Albert and Doug McClure)